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Diffstat (limited to 'test/automated/process-tests.el')
| -rw-r--r-- | test/automated/process-tests.el | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/test/automated/process-tests.el b/test/automated/process-tests.el new file mode 100644 index 00000000000..1dab615bed0 --- /dev/null +++ b/test/automated/process-tests.el @@ -0,0 +1,145 @@ +;;; process-tests.el --- Testing the process facilities + +;; Copyright (C) 2013-2015 Free Software Foundation, Inc. + +;; This program is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. + +;; This program is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with this program. If not, see <http://www.gnu.org/licenses/>. + +;;; Commentary: + +;; + +;;; Code: + +(require 'ert) + +;; Timeout in seconds; the test fails if the timeout is reached. +(defvar process-test-sentinel-wait-timeout 2.0) + +;; Start a process that exits immediately. Call WAIT-FUNCTION, +;; possibly multiple times, to wait for the process to complete. +(defun process-test-sentinel-wait-function-working-p (wait-function) + (let ((proc (start-process "test" nil "bash" "-c" "exit 20")) + (sentinel-called nil) + (start-time (float-time))) + (set-process-sentinel proc (lambda (proc msg) + (setq sentinel-called t))) + (while (not (or sentinel-called + (> (- (float-time) start-time) + process-test-sentinel-wait-timeout))) + (funcall wait-function)) + (cl-assert (eq (process-status proc) 'exit)) + (cl-assert (= (process-exit-status proc) 20)) + sentinel-called)) + +(ert-deftest process-test-sentinel-accept-process-output () + (should (process-test-sentinel-wait-function-working-p + #'accept-process-output))) + +(ert-deftest process-test-sentinel-sit-for () + (should + (process-test-sentinel-wait-function-working-p (lambda () (sit-for 0.01 t))))) + +(when (eq system-type 'windows-nt) + (ert-deftest process-test-quoted-batfile () + "Check that Emacs hides CreateProcess deficiency (bug#18745)." + (let (batfile) + (unwind-protect + (progn + ;; CreateProcess will fail when both the bat file and 1st + ;; argument are quoted, so include spaces in both of those + ;; to force quoting. + (setq batfile (make-temp-file "echo args" nil ".bat")) + (with-temp-file batfile + (insert "@echo arg1 = %1, arg2 = %2\n")) + (with-temp-buffer + (call-process batfile nil '(t t) t "x &y") + (should (string= (buffer-string) "arg1 = \"x &y\", arg2 = \n"))) + (with-temp-buffer + (call-process-shell-command + (mapconcat #'shell-quote-argument (list batfile "x &y") " ") + nil '(t t) t) + (should (string= (buffer-string) "arg1 = \"x &y\", arg2 = \n")))) + (when batfile (delete-file batfile)))))) + +(ert-deftest process-test-stderr-buffer () + (skip-unless (executable-find "bash")) + (let* ((stdout-buffer (generate-new-buffer "*stdout*")) + (stderr-buffer (generate-new-buffer "*stderr*")) + (proc (make-process :name "test" + :command (list "bash" "-c" + (concat "echo hello stdout!; " + "echo hello stderr! >&2; " + "exit 20")) + :buffer stdout-buffer + :stderr stderr-buffer)) + (sentinel-called nil) + (start-time (float-time))) + (set-process-sentinel proc (lambda (proc msg) + (setq sentinel-called t))) + (while (not (or sentinel-called + (> (- (float-time) start-time) + process-test-sentinel-wait-timeout))) + (accept-process-output)) + (cl-assert (eq (process-status proc) 'exit)) + (cl-assert (= (process-exit-status proc) 20)) + (should (with-current-buffer stdout-buffer + (goto-char (point-min)) + (looking-at "hello stdout!"))) + (should (with-current-buffer stderr-buffer + (goto-char (point-min)) + (looking-at "hello stderr!"))))) + +(ert-deftest process-test-stderr-filter () + (skip-unless (executable-find "bash")) + (let* ((sentinel-called nil) + (stderr-sentinel-called nil) + (stdout-output nil) + (stderr-output nil) + (stdout-buffer (generate-new-buffer "*stdout*")) + (stderr-buffer (generate-new-buffer "*stderr*")) + (stderr-proc (make-pipe-process :name "stderr" + :buffer stderr-buffer)) + (proc (make-process :name "test" :buffer stdout-buffer + :command (list "bash" "-c" + (concat "echo hello stdout!; " + "echo hello stderr! >&2; " + "exit 20")) + :stderr stderr-proc)) + (start-time (float-time))) + (set-process-filter proc (lambda (proc input) + (push input stdout-output))) + (set-process-sentinel proc (lambda (proc msg) + (setq sentinel-called t))) + (set-process-filter stderr-proc (lambda (proc input) + (push input stderr-output))) + (set-process-sentinel stderr-proc (lambda (proc input) + (setq stderr-sentinel-called t))) + (while (not (or sentinel-called + (> (- (float-time) start-time) + process-test-sentinel-wait-timeout))) + (accept-process-output)) + (cl-assert (eq (process-status proc) 'exit)) + (cl-assert (= (process-exit-status proc) 20)) + (should sentinel-called) + (should (equal 1 (with-current-buffer stdout-buffer + (point-max)))) + (should (equal "hello stdout!\n" + (mapconcat #'identity (nreverse stdout-output) ""))) + (should stderr-sentinel-called) + (should (equal 1 (with-current-buffer stderr-buffer + (point-max)))) + (should (equal "hello stderr!\n" + (mapconcat #'identity (nreverse stderr-output) ""))))) + +(provide 'process-tests) |